Across
- 4. milky way shape
- 5. the star of the most earth like planet
- 9. a galaxy that looks like a Mexican hat
- 13. something that can escape a black hole
- 14. coldest recorded temperature planet
- 15. the twin galaxy of milkyway
- 17. where are stars born
- 18. largest satellite
Down
- 1. which planet's day is longer than a year
- 2. comet went past earth in 1986
- 3. the pilot of appolo 11
- 6. a dwarf planet that lies between mars and Jupiter
- 7. sun's dying stage called as
- 8. the brightest star
- 10. planet with lowest gravity
- 11. total number of dwarf planets in our solar system
- 12. planet that has volcano 3 times the Everest
- 16. once a part of earth